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masya89 [10]
4 years ago
6

using your knowledge of cross products how would you solve for x in the following pair of equivalent fractions 7 over x equals 2

/4
Mathematics
1 answer:
Naddika [18.5K]4 years ago
5 0

Use cross multiplication so you have

7/x = 2/4

multiple 7 and 4 to get 28 and multiply x and 2 to get 2x and set them equal to each other

so your new equation is 2x=28 and then you just need to solve for x

The answer is x=14

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If the value of a number in decimal system is 955, find its value in quinary system and in binary system.​
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Answer:

955 in quinary system = 12310

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Step-by-step explanation:

Quinary system is in base 5, that is, 0,1,2,3,4

955 in quinary system

955 ÷ 5 = 191 remainder 0

191 ÷ 5 = 38 remainder 1

38 ÷ 5 = 7 remainder 3

7 ÷ 5 = 1 remainder 2

1 ÷ 5 = 0 remainder 1

In reverse order of the remainder

= 12310

Binary system = 0,1

955 in binary system

955 ÷ 2 = 477 remainder 1

477 ÷ 2 = 238 remainder 1

238 ÷ 2 = 119 remainder 0

119 ÷ 2 = 59 remainder 1

59 ÷ 2 = 29 remainder 1

29 ÷ 2 = 14 remainder 1

14 ÷ 2= 7 remainder 0

7 ÷ 2 = 3 remainder 1

3 ÷ 2 = 1 remainder 1

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In reverse order of the remainder

1110111011

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At what rate of simple interest will ₹4400 amount to ₹5610 in 5 years 6 months​
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expand

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